Shovels & Rope will once again host their High Water Festival this April, when the band will be bringing a lineup featuring Jason Isbell, Band of Horses, Brandi Carlile, Jeff Tweedy and more to Charleston, SC.Also included in the new lineup are St. Paul & The Broken Bones, Shakey Graves, M. Ward, Hamilton Leithauser, Valerie June, Tank & The Bangas, Nicole Atkins, Susto, Old 97’s, Ian Felice…